1: (0 11 18)

(0)(1 21 17 15 3)(2 6 4)(5 11 20 18 8)(7 14 13)(9 19 16 12 10)

2: (1 21 17)

(0)(1 15 3)(2 6 4)(5 11 20 18 8)(7 14 13)(9 19 16 12 10)(17)(21)

3: (9 19 16)

(0)(1 15 3)(2 6 4)(5 11 20 18 8)(7 14 13)(9 12 10)(16)(17)(19)(21)

4: (8 20 18)

(0)(1 15 3)(2 6 4)(5 11 20)(7 14 13)(8)(9 12 10)(16)(17)(18)(19)(21)